SN EN 673 : 2011
Current
The latest, up-to-date edition.
GLASS IN BUILDING - DETERMINATION OF THERMAL TRANSMITTANCE (U VALUE) - CALCULATION METHOD
12-01-2013
Foreword
1 Scope
2 Normative references
3 Symbols
4 Definitions
5 Basic formulae
6 Basic material properties
7 External and internal heat transfer coefficients
8 Declared values: standardized boundary conditions
9 Expression of the results
10 Test report
Annex A (normative) Determination of normal and
corrected emissivity
Annex B (normative) Iteration procedure for glazing
with more than one gas space
Annex C (informative) Bibliography
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